CA1064609A - Magnetic record member for use with rotating head magnetic recording apparatus - Google Patents
Magnetic record member for use with rotating head magnetic recording apparatusInfo
- Publication number
- CA1064609A CA1064609A CA218,274A CA218274A CA1064609A CA 1064609 A CA1064609 A CA 1064609A CA 218274 A CA218274 A CA 218274A CA 1064609 A CA1064609 A CA 1064609A
- Authority
- CA
- Canada
- Prior art keywords
- servo
- article
- signals
- recorded
- indicia
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000011084 recovery Methods 0.000 claims abstract 2
- 230000001154 acute effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000272470 Circus Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/602—Guiding record carrier for track selection, acquisition or following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/30—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture with provision for auxiliary signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
- G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
- G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Digital Magnetic Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
- Control Of Velocity Or Acceleration (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA296,335A CA1066406A (en) | 1974-03-14 | 1978-02-06 | Magnetic record member for use with rotating head magnetic recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/451,270 US3932894A (en) | 1974-03-14 | 1974-03-14 | Magnetic record member for use with rotating head magnetic recording apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1064609A true CA1064609A (en) | 1979-10-16 |
Family
ID=23791527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA218,274A Expired CA1064609A (en) | 1974-03-14 | 1975-01-17 | Magnetic record member for use with rotating head magnetic recording apparatus |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3932894A (en, 2012) |
| JP (2) | JPS5632703B2 (en, 2012) |
| BE (1) | BE826708A (en, 2012) |
| CA (1) | CA1064609A (en, 2012) |
| DE (1) | DE2506440A1 (en, 2012) |
| FR (1) | FR2264351B1 (en, 2012) |
| GB (1) | GB1479861A (en, 2012) |
| IT (1) | IT1031801B (en, 2012) |
| NL (1) | NL7502639A (en, 2012) |
| SE (1) | SE406828B (en, 2012) |
| ZA (1) | ZA751446B (en, 2012) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979080A (en) * | 1975-03-27 | 1976-09-07 | Westinghouse Electric Corporation | Analog automatic slowdown system |
| JPS5813973B2 (ja) * | 1976-12-03 | 1983-03-16 | 松下電器産業株式会社 | 回転ヘッド型磁気録画再生装置の調整方法 |
| US4285017A (en) * | 1979-02-05 | 1981-08-18 | International Business Machines Corporation | Stripe following in a helical scan device |
| AT365353B (de) * | 1979-07-20 | 1982-01-11 | Philips Nv | Aufzeichnungs- und/oder wiedergabegeraet |
| US4298897A (en) * | 1979-09-20 | 1981-11-03 | International Business Machines Corporation | Buffered recording |
| JPS5733417A (en) * | 1980-07-31 | 1982-02-23 | Fujitsu Ltd | Step feed controlling system of information medium |
| JPS57109160A (en) * | 1980-12-24 | 1982-07-07 | Canon Inc | Tape program search method for magnetic recording and reproducing device |
| US4764915A (en) * | 1982-01-12 | 1988-08-16 | Discovision Associates | Method and apparatus for recording a multiplexed signal on a record medium |
| US4746991A (en) * | 1982-01-12 | 1988-05-24 | Discovision Associates | Recording characteristic evaluation of a recording medium with a time sequence of test signals |
| GB2131996A (en) * | 1982-11-30 | 1984-06-27 | George Saint | Data storage devices |
| JPS59185069A (ja) * | 1983-04-04 | 1984-10-20 | Mitsubishi Electric Corp | 記録媒体読み出し制御システム |
| GB8323112D0 (en) * | 1983-08-26 | 1983-09-28 | British Broadcasting Corp | Recording of digital data |
| JPH065939B2 (ja) * | 1984-05-21 | 1994-01-19 | ソニー株式会社 | 磁気デイスクの識別回路 |
| US4723181A (en) * | 1986-09-24 | 1988-02-02 | Eastman Kodak Company | Tape memory with integral disk index on reel |
| US5025327A (en) * | 1986-10-17 | 1991-06-18 | Unisys Corp. | Magnetic disk write precompensation method and apparatus which takes into account variations in head/disk characteristics |
| US4819092A (en) * | 1987-05-08 | 1989-04-04 | Colorado Memory Systems, Inc. | Apparatus for writing signal density information on a magnetic medium |
| US5268802A (en) * | 1991-05-28 | 1993-12-07 | Iomega Corporation | Reading non-standard tapes on tape drives |
| US5369641A (en) * | 1991-11-12 | 1994-11-29 | Storage Technology Corporation | Method and apparatus for detecting and correcting errors in data on magnetic tape media |
| US5327305A (en) * | 1992-08-14 | 1994-07-05 | Conner Peripherals, Inc. | Tape format detection system |
| US6181498B1 (en) * | 1994-01-20 | 2001-01-30 | Sony Corporation | Recording and reproducing apparatus, information signal recording and reproducing system and method of managing invalid area information |
| US5859737A (en) * | 1994-04-21 | 1999-01-12 | Sony Corporation | Magnetic recording and/or reproducing apparatus having a search pattern and data arranged in a longitudinal track for facilitating a high speed search |
| US6031698A (en) * | 1997-06-10 | 2000-02-29 | Iomega Corporation | Multiple partition tape cartridge detection means |
| US5992783A (en) * | 1998-09-29 | 1999-11-30 | Storage Technolgy Corporation | Method of tape attachment to a tape cartridge reel |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3005056A (en) * | 1956-02-02 | 1961-10-17 | Columbia Broadcasting Syst Inc | Recording reproducing system |
| US3213204A (en) * | 1961-03-21 | 1965-10-19 | Nippon Electric Co | Magnetic tape recorder |
| NL296984A (en, 2012) * | 1962-09-11 | |||
| US3463878A (en) * | 1967-01-13 | 1969-08-26 | Ibm | Video recording apparatus |
| US3654618A (en) * | 1969-10-28 | 1972-04-04 | Fujitsu Ltd | Magnetic tape unit control system |
| US3666897A (en) * | 1969-12-17 | 1972-05-30 | Ibm | Recording and reproducing system with video heads reading both information data from oblique tracks and address data from the longitudinal control track |
| JPS556277B1 (en, 2012) * | 1970-06-23 | 1980-02-14 | ||
| US3716838A (en) * | 1970-08-24 | 1973-02-13 | Honeywell Inf Systems | Data processing system with selective character addressing of system store |
| US3729203A (en) * | 1970-10-16 | 1973-04-24 | W Kinard | Tape side and track direction indication |
| US3838453A (en) * | 1972-05-18 | 1974-09-24 | Ibm | Track following system for magnetic tape recorder |
| US3781490A (en) * | 1973-06-01 | 1973-12-25 | Ibm | Web tension and speed control in a reel-to-reel web transport |
-
1974
- 1974-03-14 US US05/451,270 patent/US3932894A/en not_active Expired - Lifetime
-
1975
- 1975-01-10 FR FR7501217A patent/FR2264351B1/fr not_active Expired
- 1975-01-17 CA CA218,274A patent/CA1064609A/en not_active Expired
- 1975-02-15 DE DE19752506440 patent/DE2506440A1/de not_active Ceased
- 1975-02-18 IT IT20348/75A patent/IT1031801B/it active
- 1975-02-28 JP JP2409075A patent/JPS5632703B2/ja not_active Expired
- 1975-02-28 SE SE7502293A patent/SE406828B/xx not_active IP Right Cessation
- 1975-02-28 GB GB8382/75A patent/GB1479861A/en not_active Expired
- 1975-03-06 NL NL7502639A patent/NL7502639A/xx not_active Application Discontinuation
- 1975-03-10 ZA ZA00751446A patent/ZA751446B/xx unknown
- 1975-03-14 BE BE154352A patent/BE826708A/xx not_active IP Right Cessation
-
1981
- 1981-02-04 JP JP56014473A patent/JPS585461B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56124154A (en) | 1981-09-29 |
| ZA751446B (en) | 1976-10-27 |
| US3932894A (en) | 1976-01-13 |
| JPS5632703B2 (en, 2012) | 1981-07-29 |
| AU7881275A (en) | 1976-09-09 |
| NL7502639A (nl) | 1975-09-16 |
| JPS585461B2 (ja) | 1983-01-31 |
| JPS50125709A (en, 2012) | 1975-10-03 |
| GB1479861A (en) | 1977-07-13 |
| SE406828B (sv) | 1979-02-26 |
| IT1031801B (it) | 1979-05-10 |
| FR2264351B1 (en, 2012) | 1976-12-31 |
| FR2264351A1 (en, 2012) | 1975-10-10 |
| DE2506440A1 (de) | 1975-09-18 |
| SE7502293L (en, 2012) | 1975-09-15 |
| BE826708A (fr) | 1975-06-30 |
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